#include <stdio.h>

struct T
{
    double weight;
    short age;
};

struct S
{
    char c;
    struct T st;
    int a;
    double d;
    char arr[20];
};

int main()
{
    struct S s = {'c', {55.6, 21}, 100, 3.14, "Cammy"};
    printf("%c %d %lf %s\n", s.c, s.a, s.d, s.arr);
    printf("%lf\n",s.st.weight);
    return 0;
}